APA aipamena

Skinner, B. J. (1976). Earth resources (2nd ed.). Prentice-hall.

Chicago Style aipamena

Skinner, Brian J. Earth Resources. 2nd ed. Englewood Cliffs, N. J: Prentice-hall, 1976.

MLA aipamena

Skinner, Brian J. Earth Resources. 2nd ed. Prentice-hall, 1976.